import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['Authorization'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (res.rCode != '200') {
      if (res.rCode == '401') {
        MessageBox.alert('账号已过期，请重新登录', '提示', {
          confirmButtonText: '重新登录',
          type: 'warning',
          showClose: false,
          callback: action => {
            store.dispatch('user/resetToken').then(() => {
              location.reload()
              // this.$router.push(`/login?redirect=${this.$route.fullPath}`)
            })
          }
        })
        return res
      } else {
        Message({
          message: res.rMsg || 'Error',
          type: 'error',
          duration: 5 * 1000
        })
        return Promise.reject(new Error(res.message || 'Error'))
      }
    } else {
      return res
    }
  }
  ,
  error => {
    console.log('err' + error) // for debug
    let message = error.message
    if (message.indexOf('Network Error') >= 0) {
      message = '无法连接服务器'
    } else if (message.indexOf('timeout') >= 0) {
      message = '请求已超时'
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
